Alexander Henry Haliday, Recent works on the Diptera of Northern Europe. Supplementary Notie. Zetterstedt, Diptera Scandinaviae. TomXII 8 vo. Lundae 1855. Stenhammar, Copromyzinae Scandinaviae 8 vo. Ppp. 184 Holmiae 1855. . (Proc) 3: 32, 33. Significant critical review of Zetterstedt's work on Diptera.